This commit contains the following fixes that unblock the CI:
* Migrate from testrepository to stestr. Most of the OpenStack
projects has done this migration.
* Sync Sphinx requirement.
* Fix coverage job.
Change-Id: Ic85842035d9e049fd47d4842797f0c37dabaa520
With this patch the tox command only runs the unit tests
at the ./kuryr/tests/unit lib.
Another test job is added for fullstack which is meant to be
run only with a working devstack setup and will run
at the gate with tempest.
You can run the tests there for debugging with 'tox -e fullstack'
implements blueprint: fullstack-testing
Change-Id: Ia646b3f1a2b25f0a7fd4d01ed72ea1b51bb3b21c